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MMU Register Manual
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Table 15-16. MMU_IRQSTATUS
Address Offset
0x018
Physical address
0x480B D418
Instance
MMU1 (Camera ISP MMU)
0x5D00 0018
MMU2 (IVA2.2 MMU)
Description
This interrupt status register regroups all the status of the module internal events that can generate an interrupt.
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Reserved
TLBMISS
EMUMISS
MULTIHITFAULT
TABLEWALKFAULT
TRANSLATIONFAULT
Bits
Field Name
Description
Type
Reset
31:5
Reserved
Reads return 0. Write 0s for future compatibility.
R
0x0000000
4
MULTIHITFAULT
Error due to multiple matches in the TLB
RW
0
Read 0x0:
MultiHitFault false
Write 0x0:
MultiHitFault status bit unchanged
Read 0x1:
MultiHitFault is true (pending)
Write 0x1:
TableWalkFault status bit is reset
3
TABLEWALKFAULT
Error response received during a table walk
RW
0
Read 0x0:
TableWalkFault false
Write 0x0:
TableWalkFault status bit unchanged
Read 0x1:
TableWalkFault is true (pending)
Write 0x1:
TableWalkFault status bit is reset
2
EMUMISS
Unrecoverable TLB miss during debug (hardware TWL disabled)
RW
0
Read 0x0:
EMUMiss false
Write 0x0:
EMUMiss status bit unchanged
Read 0x1:
EMUMiss is true (pending)
Write 0x1:
EMUMiss status bit is reset
1
TRANSLATION
Invalid descriptor in translation tables (translation fault)
RW
0
FAULT
Read 0x0:
TranslationFault false
Write 0x0:
TranslationFault status bit unchanged
Read 0x1:
TranslationFault is true (pending)
Write 0x1:
TranslationFault status bit is reset
0
TLBMISS
Unrecoverable TLB miss (hardware TWL disabled)
RW
0
Read 0x0:
TLBMiss false
Write 0x0:
TLBMiss status bit unchanged
Read 0x1:
TLBMiss is true (pending)
Write 0x1:
TLBMiss status bit is reset
Table 15-17. Register Call Summary for Register MMU_IRQSTATUS
MMU Integration
•
:
MMU Functional Description
•
:
2690Memory Management Units
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated